[R] Deleting many columns of a data frame with the same name in a row

[anna]

Hi, I have a data frame datas with half of the columns with the same name
"A". I want to delete all those columns from the data frame so here is what
I did:
datas$A <- NULL
The problem is that it deleted only one column, I would have to do it as
many times as there are "A" columns. Is there a way to do it in one time?
thank you

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Anna Lippel
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